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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
The TR6 head will fit all unit construction models from 1963-1972 including a T120R Bonneville should you prefer a "single carb"
* Top Quality BSA Pre-Unit 500 & 650 Twins "Small Journal" +
CNC alloy housing allows a precision fit when installing to your motorcycle
Don't skimp out on any Engine Components
Keep your engines oil circulation clean and free of debis by installing this new (imported) English made sump oil filter
Triumph 350 / 500 Layshaft & Mainshaft Selector Forks (1) - Choose Fork Type Fork Type - Part #:Mainshaft (57-1480 / T1480) The TR6 head will fitNew Triumph 350 & 500 unit twins replacement mainshaft and layshaft gear selector forks. Worn or bent shift forks can cause all kinds of problems and headaches. It is extremely vital that both your mainshaft and layshaft forks are straight and true. Our new shift forks are designed to replace the original Triumph forks that where standard equipment on Triumph 350 & 500 twins. Shift forks will work with the Triumph 3TA, 5TA, T90, T100R, T100C and